Manufacturing Engineering & Technology
Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
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Chapter 1, Problem 1RQ

What is the difference between an atom and a molecule? A molecule and a crystal?

Expert Solution & Answer
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To determine

Differentiate among a molecule, an atom and a crystal.

Explanation of Solution

Write the differences among the molecule, an atom, and a crystal.

           Molecule

             Atom

            Crystal

1. A molecule is a combination of two or more atoms.

1. An atom is the smallest particle in an element having the properties of the element in it, which means, this is the un-split-able part of an element.

1. Crystals are formed when metals from liquid or soft state are solidified as the atoms get rearranged into different neat configurations. This is what we know as crystals.

2. It is not visible to the naked eye, though it can be seen with the help of a high capacity magnifying microscope and some other devices.

2. We cannot see atoms through our naked eyes. Atoms are also the basic building blocks.

2. A crystal consists of atoms, molecules or ions ordered in a highly densed microscopic structure where those are bound together by inter atomic forces also known as chemical bonds. For example, ionic bonds, metallic bonds, Vander Waals bonds, covalent bonds and so on.

3. Properties such as physical or chemical are depend on atoms from that they are bonded.

3. Properties such as physical or chemical are depend only on one type of atom.

3. In case of crystal, physical or chemical properties are depending on parent atom, molecules, ions etc.

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Chapter 1 Solutions

Manufacturing Engineering & Technology

Ch. 1 - What is the relationship between the nucleation...Ch. 1 - What is a slip system, and what is its...Ch. 1 - Explain the difference between recovery and...Ch. 1 - What is hot shortness, and what is its...Ch. 1 - Explain the advantages and limitations of cold,...Ch. 1 - Describe what the orange peel effect is. Explain...Ch. 1 - Some metals, such as lead, do not become stronger...Ch. 1 - Describe the difference between preferred...Ch. 1 - Differentiate between stress relaxation and stress...Ch. 1 - What is twinning? How does it differ from slip?Ch. 1 - Prob. 21QLPCh. 1 - What is the significance of the fact that some...Ch. 1 - Is it possible for two pieces of the same metal to...Ch. 1 - Prob. 24QLPCh. 1 - A cold-worked piece of metal has been...Ch. 1 - What materials and structures can you think of...Ch. 1 - Two parts have been made of the same material, but...Ch. 1 - Do you think it might be important to know whether...Ch. 1 - Explain why the strength of a polycrystalline...Ch. 1 - Describe the technique you would use to reduce the...Ch. 1 - What is the significance of the fact that such...Ch. 1 - Prob. 32QLPCh. 1 - It has been noted that the more a metal has been...Ch. 1 - Is it possible to cold work a metal at...Ch. 1 - Comment on your observations regarding Fig. 1.14.Ch. 1 - Is it possible for a metal to be completely...Ch. 1 - Prob. 37QTPCh. 1 - Prob. 38QTPCh. 1 - Plot the data given in Table 1.1 in terms of...Ch. 1 - A strip of metal is reduced from 30 mm in...Ch. 1 - Prob. 41QTPCh. 1 - How many grains are there on the surface of the...Ch. 1 - Prob. 43QTPCh. 1 - Prob. 44QTPCh. 1 - Prob. 45QTPCh. 1 - A technician determines that the grain size of a...Ch. 1 - If the diameter of the aluminum atom is 0.28 nm,...Ch. 1 - The following data are obtained in tension tests...Ch. 1 - Prob. 50QTPCh. 1 - Prob. 51QTPCh. 1 - Prob. 52QTPCh. 1 - Same as Prob. 1.39, but ASTM no. versus...Ch. 1 - By stretching a thin strip of polished metal, as...Ch. 1 - Draw some analogies to mechanical fiberingfor...Ch. 1 - Draw some analogies to the phenomenon of hot...Ch. 1 - Take a deck of playing cards, place a rubber band...Ch. 1 - Give examples in which anisotropy is scale...Ch. 1 - The movement of an edge dislocation was described...

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